Osprey Hydraulics 2L Reservoir The hydration reservoir, upgraded With the Osprey Hydraulics(TM) Reservoir, Osprey has resigned and improved an essential part of hydration packs that often gets overlooked. This Hydration Reservoir has been completely redesigned for easier use, with improved ergonomics and an all-new backer plate with a center baffle for improved structure while filling and transporting. The Hydraulics(TM) LT is now easier than ever to fill, and load into a pack, with a compact Slide-Seal(TM) opening that can be used one-handed for a quick, easy seal. This reservoir is also compatible with the Osprey Hydra Clip hanger, and boasts a secure hose magnet system, with a thumb-operated on/off lever for effortless hydration. Features Backing plate and center baffle for improved structure while filling and transporting Compact Slide-Seal(TM) closure can be easily operated with one hand, making it easier than ever to fill Compatible with Osprey Hydra Clip reservoir hanger for secure carrying Thumb-operated on/off lever for one-handed operation that's easier than ever Specifications Weight0. 46 lbs Hydration Reservoir Volume2 liter Dimensions (inches)0. 39H X 6. 89W X 15. 35D | Osprey | Hydraulics 2L Reservoir 2L Res Hydration Pack